823470972 has 24 divisors (see below), whose sum is σ = 1929411792. Its totient is φ = 273350400.

The previous prime is 823470959. The next prime is 823470983. The reversal of 823470972 is 279074328.

823470972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139479 + ... + 145262.

It is an arithmetic number, because the mean of its divisors is an integer number (80392158).

Almost surely, 2^823470972 is an apocalyptic number.

It is an amenable number.

823470972 is an abundant number, since it is smaller than the sum of its proper divisors (1105940820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823470972 is a wasteful number, since it uses less digits than its factorization.

823470972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284989 (or 284987 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 823470972 is about 28696.1839274842. The cubic root of 823470972 is about 937.3089519322.

The spelling of 823470972 in words is "eight hundred twenty-three million, four hundred seventy thousand, nine hundred seventy-two".